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What is the meaning of the term impedance?

it is combined effect of resistance and inductance


Is impedance and resistance are different?

Resistance is a concept used for DC (direct currents) whereas impedance is the AC (alternating current) equivalent. Impedance is a more general term for resistance that also includes reactance.


Is it the impedance value same in AC and DC?

Since impedance is the vector sum of resistanceand reactance, and since reactance is a function of frequency, impedance only really applies to a.c. circuits. You could argue that, in a d.c. circuit, impedance is equal to resistance, but the term really isn't normally used in d.c.


What is the term for opposition to current flow within a circuit?

The term Impedance (Z) is used to quantify the opposition to current flow in a circuit.


Which is better high input impedance or low input impedance and why?

That depends on the output impedance. In electronic we use voltage bridging, that is a relative low output impedance to a higher input impedance. Usualy the input impedance is more than ten times higher then the output impedance. An input impedance is called also a load impedance or an external impedance. An output impedance is called also a source impedance or an internal impedance.


How to distinguish between characteristic impedance and input impedance?

The characteristic impedance or surge impedance belongs to uniform transmission lines.In electronic gears we use voltage bridging, that is a relative low output impedance to a higher input impedance. Usualy the input impedance is more than ten times higher then the output impedance.An input impedance is called also a load impedance or an external impedance.An output impedance is called also a source impedance or an internal impedance.


What does the term bridging mean in electrical engineering?

In terms of electrical engineering, the term "bridging" refers to connecting a load to two amplifiers. This is done to increase the voltage. It can also refer to the use of an impedance with a low source to power an impedance with a larger load, again to maximise the voltage.


Input impedance is greater than to load impedance?

In electronic gears we use voltage bridging, that is a relative low output impedance to a higher input impedance. Usualy the input impedance is more than ten times higher then the output impedance.An input impedance is called also a load impedance or an external impedance.An output impedance is called also a source impedance or an internal impedance.


Is characteristics impedance of a filter is same as output or load impedance?

load impedance


What is the legal term for quitting a job?

The legal term for quitting a job is "resignation."


What is high input impedance?

To get all the voltage from a source to a target without loss you need voltage bridging, that is a relative low output impedance to a higher input impedance. Usualy the input impedance is more than ten times higher then the output impedance.An input impedance is called also a load impedance or an external impedance.An output impedance is called also a source impedance or an internal impedance.


What is analog audio impedance?

To get all the audio voltage from a source to a target without loss you need voltage bridging, that is a relative low output impedance to a higher input impedance. Usualy the input impedance is at least ten times higher then the output impedance.An input impedance is called also a load impedance or an external impedance.An output impedance is called also a source impedance or an internal impedance.